Why Is Ganymede Unique?

Why Is Ganymede Unique? Ganymede is unique among moons in the solar systems in that it alone has a magnetosphere. The value of the moon’s permanent magnetic moment is estimated to be 1.3 x 1013 T·m3, which is three times larger than the magnetic moment of Mercury. How is Ganymede unique? Ganymede is the largest

Why Do Scientists Think There Could Be Life On Europa?

Why Do Scientists Think There Could Be Life On Europa? Europa has a thin atmosphere mostly composed of oxygen and water vapor. The atmosphere is believed to come from radiolysis, rather than lifeforms as it does on Earth. … Therefore, the existence of an oxygen atmosphere reflects positively on Europa’s ability to sustain life. Why